Which of the following represents 2x-5y + 15 = 0 written in slope-intercept form? Oy=x+3
Oy=2x-3
Oy=-3x+3

Multiply. write your answer in simplest form. 3/8 x 5/7

Divide. write in the simplest form. 4 1/6 divided by 10

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?